Hi Elodie,

I am not sure what the official genome version is for hgu133plus2cdf, but if
you are interested in using hg18 I would suggest you use the custom cdf
files form the brainarray group:

http://brainarray.mbni.med.umich.edu/Brainarray/Database/CustomCDF/CDF_download.asp

They have a cdf for different genome versions, and the cdf are more accurate
because they have remapped the probes at each genome version and filtered
for problematic probes.

Hope that helps,

Fong


On Wed, Mar 2, 2011 at 4:09 AM, Elodie Chapeaublanc <
Elodie.Chapeaublanc@curie.fr> wrote:

> Hi,
>
> I want to known that is the build genome version used in affymetrix CDF
> packages (e.g. : hgu133plu2cdf).
> I guess in bioconductor 2.7,  the gemome build version is the last one :
> hg19
> GRCh37.
> I want to use the hg18 version. I think that I must used an old package
> version like bioconductor 2.6
>
> Thanks
>
> Elodie
>
>
>
> --
> Elodie Chapeaublanc
> IE Bioinformatique
> Équipe Oncologie Moléculaire
> Institut Curie - UMR 144 - CNRS
> 26 rue d'Ulm - 75248 Paris Cedex 05
> Tel: +33 1 56 24 63 57
> Email: elodie.chapeaublanc@curie.fr
>
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